Do not use var_dump()

Author: sebastianbergmann

tests/end-to-end/mock-objects/generator/return_type_declarations_generator_empty_by_default.phpt

@@ -15,13 +15,10 @@ $generator = new \PHPUnit\Framework\MockObject\Generator;
 
 $mock = $generator->getMock('Foo');
 
-var_dump(iterator_to_array($mock->forTraversable()));
-var_dump(iterator_to_array($mock->forGenerator()));
-var_dump(iterator_to_array($mock->forIterable()));
+print count(iterator_to_array($mock->forTraversable())) . PHP_EOL;
+print count(iterator_to_array($mock->forGenerator())) . PHP_EOL;
+print count(iterator_to_array($mock->forIterable())) . PHP_EOL;
 --EXPECTF--
-array(0) {
-}
-array(0) {
-}
-array(0) {
-}
+0
+0
+0